The present invention discloses a water outlet device, comprising: at least one rotatable driving member, at least one injector, and a main body with a plurality of water outflow passages. The main body comprises at least one accommodating cavity, each of the at least one rotatable driving member is driven to rotate by water flow, and each of the at least one rotatable driving member drives the corresponding one of the at least one injector to rotate in the corresponding one of the at least one accommodating cavity. Each of the at least one injector comprises at least one injection hole, the at least one injection hole is connected to the corresponding one of the plurality of water outflow passages, and a water outflow direction of the at least one injection hole and an axial direction of the corresponding one of the plurality of water outflow passage forms an angle.